JAMAICA, Queens (WABC) -- About 600 customers remained without power in New York City Sunday amid the sweltering heat wave.[br /][br /]Most of those were in Jamaica, Queens, where store owners on Parsons Boulevard said the power went out about 1 p.m. Saturday.[br /]
[br /]Con Edison crews were busy trying to restore power to the affected areas.[br /][br /]For those needing a place to escape the oppressive conditions, the Office of Emergency Management has opened cooling centers throughout the city.[br /][br /]"We want everyone to remember the basics here," said Mayor Bill de Blasio. "Drink lots of water, don't go in the sun. It's a real simple thing, stay out of the sun. If you've got to be outside, stay in the shade. This is the worst heat we've seen in a decade, it's really bad."[br /]There were long lines at city pools Saturday as New Yorkers sought relief from the heat.[br /][br /]The pools have had extended hours this weekend and will be open until 8 p.m. Sunday.[br /][br /]With record- or near-record-high temperatures at night, when many air-conditioned places are closed, the weather can become especially dangerous for people who don't get a chance to cool down, experts say.[br /][br /]The risks are greater for young children, the elderly and the sick.[br /][br /]The [url HREF="https://abc7ny.com/weather/accuweather-alert-sweltering-heat-humidity-continues-into-sunday/27410/" TARGET="" REL="https://abc7ny.com/weather/accuweather-alert-sweltering-heat-humidity-continues-into-sunday/27410/"]heat wave [/url] is expected to last one more day before relief arrives on Monday.[br /][br /]b]RELATED:[/b] [url HREF="https://abc7ny.com/weather/accuweather-forecast-sizzling-stretch-continues-/27410/" TARGET="" REL=""]7-Day AccuWeather Forecast[/url][br /]